Home / 493,274,101.86-680,631,733.80-281,484,234.54

Finding the Fourth Proportional to 493,274,101.86, 680,631,733.80 and 281,484,234.54

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Solution

The fourth proportional to 493,274,101.86, 680,631,733.80 and 281,484,234.54 is: 388,398,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,274,101.86 : 680,631,733.80 = 281,484,234.54 : x
  2. Step 2: Convert to fraction form
    493,274,101.86/680,631,733.80 = 281,484,234.54/x
  3. Step 3: Cross multiply
    493,274,101.86x = 680,631,733.80 × 281,484,234.54
  4. Step 4: Simplify right side
    493,274,101.86x = 191,587,102,592,326,048
  5. Step 5: Solve for x
    x = 191,587,102,592,326,048/493,274,101.86
  6. Step 6: Final answer
    x = 388,398,867.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.